Force, Motion, and Energy

Front

What is the definition of force in physics?

Back

Force is a push or pull exerted on an object.

Front

What is friction?

Back

Friction is a force that opposes the motion of an object.

Front

True or False: A hard wood floor has more friction than a carpet.

Back

False

Front

What direction does a push move an object?

Back

A push moves things away from you.

Front

What direction does a pull move an object?

Back

A pull moves things closer to you.

Front

What are the two main types of forces?

Back

Contact forces and non-contact forces.

Front

What is an example of a contact force?

Back

Friction is an example of a contact force.

Front

What is an example of a non-contact force?

Back

Gravity is an example of a non-contact force.

Front

How does friction affect motion?

Back

Friction slows down or stops the motion of an object.

Front

What factors affect the amount of friction between two surfaces?

Back

The texture of the surfaces and the force pressing them together.